A body revolved around the sun 27 times faster then the earth what is the ratio of their radii

The period of a planet around sun is 27 times that of earth the ratio of radius of planet orbit to the radius of eath ' orbit is

Two planet are revolving around the sun. their time periods of revolution and the average radii of the orbits are respectively (T_1,T_2) and (r_1,r_2) . The ratio T_1//T_2 is

The period of revolution of a planet around the sun is 8 times that of the earth. If the mean distance of that planet from the sun is r, then mean distance of earth from the sun is

The moon revolves round the earth 13 times in one year. If the ratio of sun-earth distance to earth-moon distance is 392 , then the ratio of masses of sun and earth will be

Earth is revolving around the sun if the distance of the Earth from the Sun is reduced to 1/4th of the present distance then the present day length reduced by

The mass ratio of two planets is 1:5 . They are revolving around the sun in circular paths of radii in the ratio 2:5. The ratio between the values of acceleration due to gravity on their surface is: